AIX 5.3 AIX6.1 到 AIX7.1 几乎所有的Oraclec 内存参数已经不用DBA 或 SA 手动设置就直接可以安装Oracle 10g /11g RAC 了。

下面是AIX7.1 VMO 的参数默认值，大家感受一下：

（在oracle 10g RAC 和11g RAC 安装时，都已经是默认参数，不需要设置。）

# vmo -a

        cpu_scale_memp = 8

 data_stagger_interval = 161

                 defps = 1

   force_relalias_lite = 0

             framesets = 2

             htabscale = -1

     kernel_heap_psize = 4096

  large_page_heap_size = 0

          lgpg_regions = 0

             lgpg_size = 0

       low_ps_handling = 1

       lru_file_repage = 1

     lru_poll_interval = 0

             lrubucket = 131072

            maxclient% = 80

               maxfree = 1088

               maxperm = 3118677

              maxperm% = 80

                maxpin = 3355444

               maxpin% = 80

       mbuf_heap_psize = 4096

       memory_affinity = 1

         memory_frames = 4194304

         memplace_data = 2

  memplace_mapped_file = 2

memplace_shm_anonymous = 2

    memplace_shm_named = 2

        memplace_stack = 2

         memplace_text = 2

memplace_unmapped_file = 2

              mempools = 1

               minfree = 960

               minperm = 779669

              minperm% = 20

             nokilluid = 0

               npskill = 1536

             npsrpgmax = 12288

             npsrpgmin = 9216

           npsscrubmax = 12288

           npsscrubmin = 9216

               npswarn = 6144

      num_spec_dataseg = 0

             numpsblks = 196608

     page_steal_method = 0

          pagecoloring = n/a

       pinnable_frames = 3868256

 pta_balance_threshold = n/a

   relalias_percentage = 0

              rpgclean = 0

            rpgcontrol = 2

                 scrub = 0

            scrubclean = 0

 soft_min_lgpgs_vmpool = 0

      spec_dataseg_int = 512

      strict_maxclient = 1

        strict_maxperm = 0

              v_pinshm = 0

  vm_modlist_threshold = -1

       vmm_fork_policy = 1